Joerg Schilling wrote:
> RLIMIT_MEMLOCK did first apear in BSD-4.4 around 1994.
> The iplementation is incomplete since then and partially disabled (size check
> for mmap() in the kernel) on FreeBSD as it has been 1994 on BSD-4.4
>
> FreeBSD currently uses a default value of RLIMIT_INFINITY for users.
And while it does that (or in fact, rather not distinguish between root and
unprivileged users), mlock() and mlockall() are privileged operations on
FreeBSD.
> I could add this piece of code to the euid == 0 part of cdrecord:
>
> LOCAL void
> raise_memlock()
> {
> #ifdef RLIMIT_MEMLOCK
> struct rlimit rlim;
>
> rlim.rlim_cur = rlim.rlim_max = RLIM_INFINITY;
>
> if (setrlimit(RLIMIT_MEMLOCK, &rlim) < 0)
> errmsg("Warning: Cannot raise RLIMIT_MEMLOCK limits.");
> #endif /* RLIMIT_NOFILE */
> }
Except that your new #endif comment is wrong, that is exactly what I
suggested and what I've tried and found working.
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